53863087 has 2 divisors, whose sum is σ = 53863088. Its totient is φ = 53863086.

The previous prime is 53863037. The next prime is 53863091. The reversal of 53863087 is 78036835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53863087 - 2⁷ = 53862959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53863037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26931543 + 26931544.

It is an arithmetic number, because the mean of its divisors is an integer number (26931544).

Almost surely, 2^53863087 is an apocalyptic number.

53863087 is a deficient number, since it is larger than the sum of its proper divisors (1).

53863087 is an equidigital number, since it uses as much as digits as its factorization.

53863087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 53863087 is about 7339.1475663050. The cubic root of 53863087 is about 377.6566009628.

The spelling of 53863087 in words is "fifty-three million, eight hundred sixty-three thousand, eighty-seven".